. ♪ chevron has been developing energy here for decades. we need to protect their environment. we have a strict quarantine system to protect the integrity of the environment. forty years on, it's still a class-a nature reserve. it's our job to look after them. ...it's my job to look after it. ♪ >>> we learned today that a high school student and budding musician was killed by a cal train last night near a pedestrian crossing. he posted the video on yew you tube of him playing the guitar. his principle says he was everybody's friend. the 16-year-old was near but not on a pedestrian crossing when this happened. the medical examiner ruled the death an accident. >>> nicholas pet tris has died. he represented oakland for 37 years. e was a leading voice advocating farm worker rights and environmental protection and smoking bans and low income housing. petris was 90 years old. >>> the next story brings up old adage finders keepers. city workers find thousands of dollars worth of jewelry in the sewer system and then they sold it. >> the city of modesto collects sewage from 641 miles